:root {
  color: #f5f5f5;
  background: #0a0a0a;
  color-scheme: dark;
  font-family:
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
  --green: #2d8c5f;
  --green-dark: #0f5132;
  --mint: #a8ddc5;
  --base: #0a0a0a;
  --panel: #141414;
  --panel-soft: #101110;
  --border: #292b29;
  --border-strong: #3a3d3a;
  --text: #f5f5f5;
  --muted: #a3a7a3;
  --faint: #6f746f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 75% 8%, rgb(45 140 95 / 13%), transparent 30rem),
    var(--base);
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #050505;
}

.brand-mark svg {
  width: 21px;
}

.brand-mark path {
  stroke: var(--green);
  stroke-width: 2;
  stroke-linecap: round;
}

.brand-mark path:first-child {
  stroke: var(--green-dark);
}

.brand-mark path:last-child {
  stroke: var(--mint);
}

.brand strong {
  letter-spacing: -0.02em;
}

nav,
footer div {
  display: flex;
  align-items: center;
  gap: 22px;
}

nav a,
footer a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"],
footer a:hover {
  color: var(--mint);
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: 72px;
  min-height: 680px;
  padding: 82px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 6vw, 76px);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 120ms ease,
    border-color 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: var(--green);
}

.button.secondary {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--panel);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 0;
  color: var(--faint);
  font-size: 11px;
  list-style: none;
}

.trust-list li::before {
  margin-right: 7px;
  color: var(--green);
  content: "✓";
}

.product-card {
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 22px;
  background: rgb(14 15 14 / 92%);
  box-shadow: 0 40px 100px rgb(0 0 0 / 40%);
  text-align: center;
}

.product-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--faint);
  font-size: 11px;
}

.status-dot {
  color: var(--mint);
}

.status-dot::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.memory-gauge {
  display: grid;
  width: 154px;
  height: 154px;
  place-items: center;
  margin: 34px auto 18px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--panel) 57%, transparent 58%),
    conic-gradient(var(--green) 0 28%, #202220 28% 100%);
}

.memory-gauge div {
  display: grid;
}

.memory-gauge strong {
  font-size: 25px;
}

.memory-gauge span {
  color: var(--muted);
  font-size: 10px;
}

.product-card h2 {
  margin: 0;
  font-size: 20px;
}

.product-card > p {
  margin: 6px auto 20px;
  color: var(--muted);
  font-size: 12px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.stats article {
  display: grid;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px;
  background: var(--panel);
}

.stats strong {
  font-size: 18px;
}

.stats span {
  color: var(--faint);
  font-size: 9px;
}

.demo-button {
  display: block;
  margin-top: 10px;
  border-radius: 9px;
  padding: 11px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.section > h2,
.privacy-banner h2,
.report-card h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 42px;
}

.feature-card {
  min-height: 215px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  background: var(--panel);
}

.feature-number {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 800;
}

.feature-card h3 {
  margin: 42px 0 8px;
  font-size: 17px;
}

.feature-card p,
.privacy-banner p,
.report-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.privacy-banner,
.report-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  margin: 20px 0 100px;
  border: 1px solid rgb(45 140 95 / 38%);
  border-radius: 18px;
  padding: 38px;
  background: rgb(45 140 95 / 8%);
}

.privacy-banner h2,
.report-card h2 {
  margin-bottom: 13px;
  font-size: clamp(26px, 3vw, 38px);
}

.content-page {
  min-height: calc(100vh - 160px);
}

.page-intro {
  max-width: 780px;
  padding: 96px 0 82px;
}

.page-intro h1 {
  font-size: clamp(42px, 6vw, 66px);
}

.page-intro .button {
  margin-top: 30px;
}

.section.compact {
  padding: 72px 0;
}

.section.compact > h2 {
  font-size: clamp(28px, 4vw, 40px);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  counter-reset: check;
  list-style: none;
}

.check-list li {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 15px 18px 15px 52px;
  color: var(--muted);
  background: var(--panel);
  font-size: 13px;
  counter-increment: check;
}

.check-list li::before {
  position: absolute;
  top: 13px;
  left: 16px;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 7px;
  color: var(--mint);
  background: rgb(45 140 95 / 14%);
  content: counter(check);
  font-size: 10px;
  font-weight: 800;
}

code {
  color: var(--mint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.faq-list {
  display: grid;
  gap: 8px;
  margin-top: 30px;
}

details {
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel);
}

summary {
  padding: 17px 20px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

details p {
  margin: 0;
  border-top: 1px solid var(--border);
  padding: 16px 20px 20px;
  color: var(--muted);
  font-size: 13px;
}

.document {
  max-width: 780px;
  margin: 0 auto;
  padding: 78px 0 100px;
}

.document h1 {
  font-size: clamp(38px, 6vw, 58px);
}

.document h2 {
  margin: 46px 0 12px;
  font-size: 21px;
}

.document p,
.document li {
  color: var(--muted);
  font-size: 14px;
}

.document .updated {
  margin-top: 12px;
  color: var(--faint);
  font-size: 12px;
}

.document a {
  color: var(--mint);
}

footer {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 12px;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 52px;
    padding-block: 68px;
  }

  .product-card {
    width: min(100%, 500px);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .privacy-banner,
  .report-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .site-header {
    min-height: 68px;
  }

  nav {
    gap: 14px;
  }

  nav a:first-child {
    display: none;
  }

  h1 {
    font-size: 44px;
  }

  .lead {
    font-size: 15px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 72px;
  }

  .privacy-banner,
  .report-card {
    margin-bottom: 72px;
    padding: 25px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 24px;
  }
}